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On the maximum energy of shock-accelerated cosmic rays at ultra-relativistic shocks

Abstract:

The maximum energy to which cosmic rays can be accelerated at weakly magnetised ultrarelativistic shocks is investigated.We demonstrate that for such shocks, in which the scattering of energetic particles is mediated exclusively by ion skin-depth scale structures, as might be expected for a Weibel-mediated shock, there is an intrinsic limit on the maximum energy to which particles can be accelerated. This maximum energy is determined from the requirement that particles must be isotropized in ...

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Publication status:
Published

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Publisher copy:
10.1093/mnras/stu088

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Role:
Author
Publisher:
Blackwell Publishing Ltd
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
439
Issue:
2
Pages:
2050-2059
Publication date:
2014-04-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:db02463a-a889-4e82-82f3-2cf1a0b8f970
Source identifiers:
462379
Local pid:
pubs:462379

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